current vs sometime

current

adj
  • Existing or occurring at the moment. 

  • Electric; of or relating to electricity. 

  • Generally accepted, used, practiced, or prevalent at the moment. 

noun
  • a tendency or a course of events 

  • The generally unidirectional movement of a gas or fluid. 

  • the amount of electric charge flowing in each unit of time. 

  • The part of a fluid that moves continuously in a certain direction, especially (oceanography) short for ocean current. 

sometime

adj
  • Occasional. 

  • Former, erstwhile; at some previous time. 

adv
  • At an indefinite but stated time in the past or future. 

How often have the words current and sometime occurred in a corpus of books? (source: Google Ngram Viewer )